<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
        {font-family:"Cambria Math";
        panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
        {font-family:Tahoma;
        panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
        {font-family:Consolas;
        panose-1:2 11 6 9 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {mso-style-priority:99;
        color:purple;
        text-decoration:underline;}
pre
        {mso-style-priority:99;
        mso-style-link:"HTML Preformatted Char";
        margin:0in;
        margin-bottom:.0001pt;
        font-size:10.0pt;
        font-family:"Courier New";}
tt
        {mso-style-priority:99;
        font-family:"Courier New";}
span.HTMLPreformattedChar
        {mso-style-name:"HTML Preformatted Char";
        mso-style-priority:99;
        mso-style-link:"HTML Preformatted";
        font-family:Consolas;}
span.EmailStyle20
        {mso-style-type:personal-reply;
        font-family:"Calibri","sans-serif";
        color:#1F497D;}
.MsoChpDefault
        {mso-style-type:export-only;}
@page WordSection1
        {size:8.5in 11.0in;
        margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
        {page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have ordered some from harbor freight. I will try that. if it is a mess I have a friend that will do the tig. I am just trying to keep it in house. Thanks Matt, very good info.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Mike <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> nsrca-discussion-bounces@lists.nsrca.org [mailto:nsrca-discussion-bounces@lists.nsrca.org] <b>On Behalf Of </b>rcmaster199@aol.com<br><b>Sent:</b> Monday, December 12, 2011 10:47 AM<br><b>To:</b> nsrca-discussion@lists.nsrca.org<br><b>Subject:</b> Re: [NSRCA-discussion] exhaust temp of a ys 1.75<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Mike,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Try McMaster Carr for aluminum solder and flux. I've had only fair success with their ally solder and it's probably the best stuff around<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>A couple things to keep in mind: solder requires an absolutely clean surface to adhere and flow properly. Your best bet is unused, no oil ally.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>If used, you should scub the ally clean everywhere where the solder is to stick and then use sanding or steel brushing to prep the surfaces followed by more cleaning. Actually, you should do that for unused ally parts also just as we do with steel parts. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Remember that the melt temp of regular muffler ally is around 1200F which is low for even a propane torch so you could melt holes in the stuff if not careful. The good thing is that ally solder melts at around 900F so you have a little margin<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>TIG welding is better, stronger and easier to do well. Luckily I have a friend who has a rig.....<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>MattK<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p></div><div><div id="AOLMsgPart_0_beafd955-28f6-4587-ba64-966df91e7f9b"><pre style='background:white'><tt><span style='color:black'>>Subject: Re: [NSRCA-discussion] exhaust temp of a ys 1.75<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>Mike - <o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> <o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>The aluminum in our mufflers and headers is very thin. Unless you are<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>really good at joining thin sections I would take it to a machine shop.<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>Here in New Mexico I have had good luck. Once I find a shop that can do<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>the job I talk directly to the craftsman. Most of these jobs take only a<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>few minutes and for $10 or $15 bucks they are usually willing to do it<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>on their lunch hour. Doing it through the shop itself is ok too, you'll<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>probably pay the shop's minimum.<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> <o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>Jeff Hill<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>On Dec 10, 2011, at 3:08 PM, Michael S. Harrison wrote:<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> <o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> (For all of you out there, can anyone tell me the exhaust temp<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>approximately of a YS 1.75. I am building a Xurama and the muffler has<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>to be shortened(tuny's build thread). I nedd to know if anyone has<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>knowledge how to solder aluminum and if you might have a site that would<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>help me. I believe that there is a flus and an aluminum solder to do<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>that. please let me know if you have any info on that.<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> Thanks<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> Mike <o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> _______________________________________________<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> NSRCA-discussion mailing list<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> <a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> <a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>> <o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>_______________________________________________ NSRCA-discussion mailing<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>list <a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><o:p> </o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>_______________________________________________<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>>NSRCA-discussion mailing list<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>_______________________________________________<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'>NSRCA-discussion mailing list<o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'><a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><o:p></o:p></span></tt></pre><pre style='background:white'><tt><span style='color:black'><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" target="_blank">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><o:p></o:p></span></tt></pre></div></div></div></body></html>